Comfortable: Our mobile phone armband is made of sweat-absorbent and breathable fabric, which can hold your arm tightly when used for running, and hold your arm firmly without feeling too tight. $Convenience: This multi-functional running armband is also suitable for traveling or participating in concerts and sports events. Its easy-to-use zipper allows you to insert your phone effortlessly, keeping your phone snug and safe no matter what activity you are doing. $Cool: Whether it's mapping or streaming podcasts and music, our stylish and smooth phone holder is the perfect companion for your running. $Compatible: Due to its elastic spandex material, our phone arm has enough space to store your phone, regardless of phone size (2 inches to 7 inches). They even have a small bag for keys, wallets, etc. Adjust the size for larger phones. $Gifts: Our mobile phone holder for running arms is an ideal gift for runners in your life, and a great gadget for people who go out to carry their smartphones.